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How do I wait for an asynchronously dispatched block to finish?
...RLResponse *) response statusCode];
XCTAssertEqual(statusCode, 200, @"status code was not 200; was %d", statusCode);
}
XCTAssert(data, @"data nil");
// do additional tests on the contents of the `data` object here, if you want
// when all done, Fulfill ...
What is the native keyword in Java for?
...m C, but you must first create a JVM in C: How to call Java functions from C++?
Analogous native extension APIs are also present in many other "VM languages" for the same reasons, e.g. Python, Node.js, Ruby.
Android NDK
The concept is exact the same in this context, except that you have to use An...
When to use std::size_t?
...be able to express the maximum size of any object (including any array) in C++. By extension it is also guaranteed to be big enough for any array index so it is a natural type for a loop by index over an array.
If you are just counting up to a number then it may be more natural to use either the ty...
How to declare a structure in a header that is to be used by multiple files in c?
...ding only your structure to work would still have to include all types.
In C++, this could lead to interesting complication, but this is out of topic (no C++ tag), so I won't elaborate.
then how to declare that structure as extern in both the files. ?
I fail to see the point, perhaps, but Greg Hewgi...
How do I find the time difference between two datetime objects in python?
...time
>>> seconds_in_day = 24 * 60 * 60
datetime.timedelta(0, 8, 562000)
>>> divmod(difference.days * seconds_in_day + difference.seconds, 60)
(0, 8) # 0 minutes, 8 seconds
Subtracting the later time from the first time difference = later_time - first_time creates a datetime ...
What is the easiest way to initialize a std::vector with hardcoded elements?
...ust using the initialized array in the first place. However, that's really C++'s fault, not yours.
– T.E.D.
May 3 '11 at 18:50
2
...
Placing border inside of div and not on its edge
...ox-sizing: border-box;.
Consider this example:
.parent {
width: 200px;
}
.button {
background: #333;
color: #fff;
padding: 20px;
border: 5px solid #f00;
border-left-width: 20px;
box-sizing: border-box;
}
<div class='parent'>
<div class='bu...
In Visual Studio C++, what are the memory allocation representations?
... have seen seen "CC" and "CD" when inspecting variables in the debugger in C++ during run-time.
3 Answers
...
Create thumbnail image
...l 400x225 of a full hd photo and the size of the resulting "thumbnail" was 200 kB (Original 350 kB). This method is something to avoid.
– Vojtěch Dohnal
Sep 10 '17 at 9:08
1
...
How do you increase the max number of concurrent connections in Apache?
...r_increase_max_clients_in_apache
ServerLimit 16
StartServers 2
MaxClients 200
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
First of all, whenever an apache is started, it will start 2 child processes which is determined by StartServers parameter. Then each process will start 25 thread...